CCCWC May competition voters’ comments on Clue no. 4

A clue to IRELAND.
2 comments refer to this clue (from 1 competitor, 1 other)

Here is the text

Comments on the clue

1.	Bit complicated!
2.	Airman for a composer is simply unfair, as is lower-case 'us' for US. I fail to see anything in the clue that leads a solver to the answer.